Compaq HSZ80 manual Figures

xi

Figures

Basic Building Block	. . 1–3
Bridging the Gap Between the Host and Its Storage Subsystem	. . 1–7
HSZ80 Array Controller	. . 1–9
Parts Used in Configuring the HSZ80 Array Controller	. 1–10
Optional Maintenance Port Cable for a Terminal Connection	. 1–12
Location of Controllers and Cache Modules	. 1–13
HSZ80 Controller Operator Control Panel (OCP)	. 1–14
Cache Module	. 1–19
ECB for Dual-Redundant Controller Configurations	. 1–30
Cabling for a Single-Controller Configuration	. . 2–5
Cabling for a Dual-Redundant Controller Configuration in
Transparent Failover	. 2–10
Cabling for a Dual-Redundant Controller Configuration in
Multiple-Bus Failover	. 2–16
SCSI Target ID Numbers on the Controller Device Bus and PVA Settings in
an Extended Subsystem	. 2–25
PC/Terminal to Maintenance Port Connection	. 2–27
“This Controller” and “Other Controller”	2–28
Host SCSI Bus and Controller Device Bus	. 2–33
Units Created from Storagesets, Partitions, and Drives	. . 3–3
Storageset Profile	. . 3–6
Striping Lets Several Disk Drives Participate in Each I/O Request	. . 3–9
Distribute Members across Ports	. 3–11
Mirrorsets Maintain Two Copies of the Same Data	. 3–13
First Mirrorset Members on Different Buses	. 3–14
Parity Ensures Availability; Striping Provides Good Read Performance	. 3–16
Striping and Mirroring in the Same Storageset	. 3–18
CLONE Steps for Duplicating Unit Members	. 3–21

Compaq HSZ80 Array Controller ACS Version 8.3 Configuration and CLI Reference Guide